Bionic Design of Wind Turbine Blade Based on Long-Eared Owl's Airfoil

被引：21

作者：

Tian, Weijun ^{[1
,2
]}

Yang, Zhen ^{[1
]}

Zhang, Qi ^{[1
]}

Wang, Jiyue ^{[1
]}

Li, Ming ^{[1
]}

Ma, Yi ^{[3
]}

Cong, Qian ^{[1
,2
]}

机构：

[1] Jilin Univ, Key Lab Bion Engn, Minist Educ China, Changchun 130022, Peoples R China

[2] Jilin Univ, State Key Lab Automot Simulat & Control, Changchun 130022, Peoples R China

[3] China Automot Engn Res Inst Co Ltd, Chongqing 401122, Peoples R China

来源：

APPLIED BIONICS AND BIOMECHANICS | 2017年 / 2017卷

基金：

美国国家科学基金会;

关键词：

D O I：

10.1155/2017/8504638

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

The main purpose of this paper is to demonstrate a bionic design for the airfoil of wind turbines inspired by the morphology of Long-eared Owl's wings. Glauert Model was adopted to design the standard blade and the bionic blade, respectively. Numerical analysis method was utilized to study the aerodynamic characteristics of the airfoils as well as the blades. Results show that the bionic airfoil inspired by the airfoil at the 50% aspect ratio of the Long-eared Owl's wing gives rise to a superior lift coefficient and stalling performance and thus can be beneficial to improving the performance of the wind turbine blade. Also, the efficiency of the bionic blade in wind turbine blades tests increases by 12% or above (up to 44%) compared to that of the standard blade. The reason lies in the bigger pressure difference between the upper and lower surface which can provide stronger lift.

引用

页数：10

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